{"id":3623,"date":"2023-06-13T13:29:49","date_gmt":"2023-06-13T13:29:49","guid":{"rendered":"http:\/\/the-codest.localhost\/blog\/the-power-of-hexagonal-architecture\/"},"modified":"2024-09-10T07:51:21","modified_gmt":"2024-09-10T07:51:21","slug":"mattur-sexhyrnda-arkitekturs","status":"publish","type":"post","link":"https:\/\/thecodest.co\/is\/blog\/the-power-of-hexagonal-architecture\/","title":{"rendered":"Kraftur sexhyrnda arkitekt\u00fars"},"content":{"rendered":"

\u00cd \u00feessari yfirgripsmiklu lei\u00f0beiningu munum vi\u00f0 kafa ofan \u00ed bl\u00e6brig\u00f0i Sexhyrnd byggingarlist<\/strong>, kanna skilgreiningu \u00feess, \u00fe\u00e6tti \u00feess og s\u00f6gu. Vi\u00f0 munum draga samanbur\u00f0i milli Sexhyrnd byggingarlist<\/strong> og \u00f6nnur vins\u00e6l arkitekt\u00farmynstur til a\u00f0 draga fram einstaka styrkleika \u00feess. Einnig munum vi\u00f0 sko\u00f0a mikilv\u00e6gt hlutverk \u00feess \u00ed Domain-Driven Design (DDD) og \u00f6r\u00fej\u00f3nustur<\/a>, sem eru s\u00edfellt mikilv\u00e6gari \u00ed heimi n\u00fat\u00edmans hugb\u00fana\u00f0ar\u00fer\u00f3un<\/a>.<\/p>\n

1. Inngangur a\u00f0 sexhyrndri arkitekt\u00far<\/h2>\n

\u00cd s\u00edbreytilegu landslagi hugb\u00fana\u00f0ararkitekt\u00far<\/a><\/strong>, Sexhyrnd byggingarlist<\/strong>, einnig \u00feekkt sem H\u00f6fnir og Mynstur tengja<\/strong>, hefur skotist fram sem \u00f6flugur keppinautur, sm\u00e1m saman \u00f6gra\u00f0 vi\u00f0 normin um hef\u00f0bundin marglaga byggingarlist<\/strong>.<\/p>\n

Drifi\u00f0 \u00e1fram af \u00fe\u00f6rfinni fyrir arkitekt\u00farh\u00f6nnun sem g\u00e6ti tryggt au\u00f0velda pr\u00f3fun og aukinn vi\u00f0haldsv\u00e6ni, Sexhyrnd byggingarlist<\/strong> var hugsa\u00f0 til. Markmi\u00f0 \u00feess: a\u00f0 skila \u00e1rei\u00f0anlegum hugb\u00fana\u00f0arforrit<\/strong> \u00d3bundinn af fl\u00e6kjustigi og skapst\u00e6\u00f0iskveiflu hins ytra heims.<\/p>\n

\u00cd gegnum \u00feessa grein munum vi\u00f0 leggja af sta\u00f0 \u00ed fer\u00f0alag um ann\u00e1lana Sexhyrnd byggingarlist<\/strong> \u2013 arkitekt\u00far sem situr vi\u00f0 samruni einfaldleika og m\u00e1ttar. Vi\u00f0 munum varpa lj\u00f3si \u00e1 s\u00f6gu hans, uppbyggingu og meginreglur, og bera hann enn frekar saman vi\u00f0 a\u00f0ra arkitekt\u00farmynstur<\/strong>. Vi\u00f0 munum kanna m\u00f6guleika \u00feess til a\u00f0 b\u00e6ta g\u00e6\u00f0i hugb\u00fana\u00f0arforrita og draga \u00far vaxandi t\u00e6knilegum skuldum sem \u00f3gna hugb\u00fana\u00f0ari\u00f0na\u00f0inum.<\/p>\n

2. Skilgreining sexhyrnda arkitekt\u00fars<\/h2>\n

\u00cd kjarna s\u00ednum, Sexhyrnd byggingarlist<\/strong>, e\u00f0a h\u00f6fnin og Arkitekt\u00far a\u00f0laga<\/strong>, er h\u00f6nnunarmynstur sem byggir \u00e1 a\u00f0skilna\u00f0i \u00e1hyggja. \u00dea\u00f0 skiptir forritinu \u00ed tvo meginhluta: innri og ytri.<\/p>\n

Innra byr\u00f0i, einnig nefnt forritakjarni, h\u00fdsir vi\u00f0skiptal\u00f3g\u00edk<\/strong> og svi\u00f0shlutir \u2013 kjarni gildis \u00ed hugb\u00fana\u00f0inum \u00fe\u00ednum. \u00deetta innra helgid\u00f3mssv\u00e6\u00f0i er \u00f3h\u00e1\u00f0 ytri \u00e1hrifum og var\u00f0veitir \u00feannig heilleika vi\u00f0skiptal\u00f3g\u00edk<\/strong> og svi\u00f0sger\u00f0in.<\/p>\n

A\u00f0 utan er hins vegar r\u00edki ytri kerfa \u2013 fr\u00e1 notendavi\u00f0m\u00f3t<\/strong> a\u00f0 gagnagrunnsa\u00f0gangi \u2013 sem eiga samskipti vi\u00f0 kjarna forritsins. \u00deessi samskipti eru stj\u00f3rnu\u00f0 me\u00f0 kerfi tengla og a\u00f0laga, sem tryggir hreina a\u00f0skilna\u00f0 milli ums\u00f3knarkjarni<\/strong> og ytri a\u00f0ilar \u00feess.<\/p>\n

3. Saga sexhyrnda byggingarlistar<\/h2>\n

Sexhyrnd byggingarlist<\/strong> er hugmynd Alistair Cockburns, framt\u00ed\u00f0ars\u00fdnarmanns sem fyrstur m\u00f3ta\u00f0i \u00feetta hugtak sem svar vi\u00f0 takm\u00f6rkunum hef\u00f0bundinna l\u00f6gskipt byggingarlist<\/strong>. \u00dea\u00f0 var hanna\u00f0 til a\u00f0 b\u00faa til t\u00e6knihlutlausa L\u00e9nslag<\/strong> sem einangrar kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong> fr\u00e1 ytri \u00e1hrifum, svo sem notendavi\u00f0m\u00f3t k\u00f3\u00f0i<\/a><\/strong> og a\u00f0gangur a\u00f0 gagnagrunni.<\/p>\n

\u00cd hef\u00f0bundnum l\u00f6gskipt byggingarlist<\/strong>, Breytingar \u00ed einu lagi g\u00e6tu borist til annarra laga og leitt til \u00f3\u00e6skilegra aflei\u00f0inga. Ennfremur var pr\u00f3fun fl\u00f3kin vegna fl\u00f3kinna h\u00e1\u00f0atengsla milli laga.<\/p>\n

Sexhyrnd byggingarlist<\/strong> Kom fram sem lausn, sem bau\u00f0 upp \u00e1 l\u00edkan \u00fear sem breytingar \u00ed einum hluta kerfisins myndu ekki trufla hina hlutana. \u00cd meginatri\u00f0um leit \u00fea\u00f0 til a\u00f0 gera vi\u00f0skiptal\u00f3g\u00edk<\/strong> agn\u00f3st\u00edskur gagnvart \u00fev\u00ed hvort \u00fea\u00f0 v\u00e6ri n\u00e1lgast \u00ed gegnum a vefur<\/a> vi\u00f0m\u00f3t, a Hv\u00edld forritaskil<\/a><\/strong>, e\u00f0a jafnvel a stj\u00f3rnarl\u00edna<\/strong>.<\/p>\n

4. \u00de\u00e6ttir sexhyrnda arkitekt\u00fars<\/h2>\n

Sexhyrnd byggingarlist<\/strong>, nefnd eftir sexhyrndri s\u00fdnd \u00ed l\u00ednuritsframsetningum, samanstendur af \u00feremur kjarna\u00fe\u00e1ttum: the sv\u00e6\u00f0ism\u00f3del<\/strong>, tengi (a\u00f0al- og aukatengi), og millistykki (a\u00f0al- og aukamillistykki).<\/p>\n

\u00deeir sv\u00e6\u00f0ism\u00f3del<\/strong> er hjarta hugb\u00fana\u00f0arforritsins, sem felur \u00ed s\u00e9r vi\u00f0skiptareglur<\/strong> og kjarna r\u00f6kfr\u00e6\u00f0i. Sv\u00e6\u00f0ishlutirnir sem eru \u00ed \u00feessu l\u00edkani innihalda s\u00e9rt\u00e6kar vi\u00f0skiptagildi og reglur.<\/p>\n

N\u00e6st h\u00f6fum vi\u00f0 h\u00f6fnurnar, lei\u00f0slur milli sv\u00e6\u00f0ism\u00f3del<\/strong> og umheiminn. A\u00f0alhafnir<\/strong> uppl\u00fdsa um forriti\u00f0 vi\u00f0skiptal\u00f3g\u00edk<\/strong>, sem \u00fej\u00f3na sem inngangur a\u00f0 kjarna forritsins. \u00deau t\u00e1kna notkunartilvik sem forriti\u00f0 sty\u00f0ur.<\/p>\n

Aukahafnir<\/strong>, \u00e1 hinn b\u00f3ginn, sn\u00faa \u00fat \u00e1 vi\u00f0. \u00deau s\u00fdna vi\u00f0m\u00f3t sem forriti\u00f0 krefst fr\u00e1 ytri heimi, eins og varanleg l\u00f6g e\u00f0a ytri \u00fej\u00f3nustur.<\/p>\n

A\u00f0 lokum h\u00f6fum vi\u00f0 millistykkin, sem starfa sem \u00fe\u00fd\u00f0endur milli sv\u00e6\u00f0ism\u00f3del<\/strong> og ytri heiminn. \u00deau umbreyta g\u00f6gn<\/a> \u00far sni\u00f0i sem nota\u00f0 er af utan kerfi<\/strong> a\u00f0 sni\u00f0i sem nota\u00f0 er af vi\u00f0skiptal\u00f3g\u00edk<\/strong>, og \u00f6fugt.<\/p>\n

5. H\u00f6fn og millistykki<\/h2>\n

Hafnir og millistykki<\/strong> Mynda br\u00fana milli ums\u00f3knarkjarni<\/strong> og ytri a\u00f0ilar. A\u00f0alhafnirnar t\u00e1kna vi\u00f0skiptanotkunartilvik sem forriti\u00f0 b\u00fd\u00f0ur upp \u00e1, sem gera ytri a\u00f0ilum kleift a\u00f0 eiga samskipti vi\u00f0 forriti\u00f0. Hugsa\u00f0u um \u00fe\u00e6r sem \u00fej\u00f3nustubili \u00ed \u00fe\u00ednu vi\u00f0skiptalag<\/strong>.<\/p>\n

Aukahafnir, aftur \u00e1 m\u00f3ti, eru vi\u00f0m\u00f3t sem forriti\u00f0 \u00feitt krefst fr\u00e1 ytri heimi. \u00deetta geta veri\u00f0 \u00fej\u00f3nustur eins og a\u00f0gangur a\u00f0 gagnagrunni, vef\u00fej\u00f3nustur<\/a>, e\u00f0a jafnvel t\u00edm\u00fej\u00f3nustur. \u00de\u00e6r s\u00fdna hva\u00f0 forriti\u00f0 \u00fearfnast, \u00f3h\u00e1\u00f0 t\u00e6kni e\u00f0a einkennum einstakra birgja.<\/p>\n

Tengi eru hinir efnislegu birtingarm\u00e1tar \u00feessara porta. \u00deau \u00fe\u00fd\u00f0a g\u00f6gnin \u00far sni\u00f0i sem notu\u00f0 er af vi\u00f0skiptal\u00f3g\u00edk<\/strong> \u00ed sni\u00f0i\u00f0 sem ytri a\u00f0ilar nota og \u00f6fugt. \u00deessir milliforrit geta veri\u00f0 t\u00e6knispesif\u00edskir milliforritara\u00f0laga\u00f0ir fyrir REST-API, SQL-gagnagrunna e\u00f0a skilabo\u00f0akerfi, en \u00feeir geta einnig veri\u00f0 lotuskriftur e\u00f0a notendavi\u00f0m\u00f3t<\/strong> k\u00f3\u00f0a. Millif\u00e6rarnir mynda m\u00f6rk forritsins og gera forriti\u00f0 t\u00e6knineutral.<\/p>\n

6. A\u00f0al- og aukah\u00f6fn og millistykki<\/h2>\n

A\u00f0alhafnir t\u00e1kna \u00fe\u00e6r a\u00f0ger\u00f0ir sem forriti\u00f0 okkar getur framkv\u00e6mt \u2013 \u00fe\u00e6r skipanir sem kjarna svi\u00f0i\u00f0 okkar getur teki\u00f0 vi\u00f0. \u00de\u00e6r eru oft innleiddar sem vi\u00f0m\u00f3t \u00ed forritunarm\u00e1lum eins og Java<\/a>, skilgreina hva\u00f0a a\u00f0ger\u00f0ir forriti\u00f0 b\u00fd\u00f0ur upp \u00e1.A\u00f0albreytar<\/strong>, \u00fev\u00ed eru innlei\u00f0ingar \u00feessara vi\u00f0m\u00f3ta fyrir tiltekna utana\u00f0komandi a\u00f0ila.<\/p>\n

\u00c1 hinn b\u00f3ginn eru aukahafnir vi\u00f0m\u00f3t sem kjarna svi\u00f0i\u00f0 notar til a\u00f0 eiga samskipti vi\u00f0 umheiminn. \u00de\u00e6r geta fali\u00f0 \u00ed s\u00e9r vi\u00f0m\u00f3t til a\u00f0 var\u00f0veita svi\u00f0shluti e\u00f0a senda tilkynningar. Aukab\u00fana\u00f0ur<\/strong> eru raunverulegar innlei\u00f0ingar \u00feessara vi\u00f0m\u00f3ta \u2013 a SQL gagnagrunnur<\/strong> t.d. millistykki e\u00f0a t\u00f6lvup\u00f3sttilkynningarmillistykki.<\/p>\n

Saman, the a\u00f0al- og aukahafnir og millistykki<\/strong> Mynda sveigjanlega, einingaskipta m\u00f6rk utan um forriti\u00f0, a\u00f0skilja svi\u00f0sr\u00f6kfr\u00e6\u00f0i<\/strong> fr\u00e1 t\u00e6knilegum \u00e1hyggjum. \u00deau tryggja sk\u00fdra a\u00f0skilna\u00f0 \u00e1byrg\u00f0a og gera mismunandi hlutum kerfisins kleift a\u00f0 \u00fer\u00f3ast sj\u00e1lfst\u00e6tt.<\/p>\n

7. Regla um h\u00e1\u00f0 og \u00f6fugri h\u00e1\u00f0<\/h2>\n

Regla um h\u00e1\u00f0leika er grundvallarregla \u00ed Sexhyrnd byggingarlist<\/strong> sem segir a\u00f0 h\u00e1\u00f0 tengsl eigi a\u00f0 v\u00edsa inn a\u00f0 kjarna forritsins. Kjarni forritsins er ekki h\u00e1\u00f0ur neinni s\u00e9rstakri gagnagrunni, notendavi\u00f0m\u00f3ti e\u00f0a \u00f6\u00f0rum ytri a\u00f0ilum.<\/p>\n

\u00deessi meginregla tengist n\u00e1i\u00f0 vi\u00f0 Reglan um gagnst\u00e6\u00f0ri umsn\u00faningi<\/strong> (DIP), einn af SOLID-me\u00f0alreglunum \u00ed hlutbundinni h\u00f6nnun. DIP segir a\u00f0 h\u00e1stigs einingar (vi\u00f0skiptal\u00f3g\u00edk<\/strong> e\u00f0a L\u00e9nslag<\/strong> \u00c6tti ekki a\u00f0 vera h\u00e1\u00f0 l\u00e1gstigsm\u00f3d\u00falum (eins og gagnagrunnsvi\u00f0m\u00f3ti). \u00cd sta\u00f0inn \u00e6ttu b\u00e1\u00f0ir a\u00f0 vera h\u00e1\u00f0ir abstrakt\u00edunum. \u00deessi \u00f6fugstilling \u00e1 h\u00e1\u00f0unum gerir kleift a\u00f0 einangra h\u00e1u stigs m\u00f3t\u00falana fr\u00e1 breytingum \u00ed l\u00e1gstigs m\u00f3t\u00falum, sem stu\u00f0lar a\u00f0 h\u00f6nnun \u00fear sem vi\u00f0skiptal\u00f3g\u00edk<\/strong> St\u00fdrir heildararkitekt\u00farnum.<\/p>\n

8. Kortlagning<\/h2>\n

Kortlagning er nau\u00f0synlegur ferill \u00ed Sexhyrnd byggingarlist<\/strong>, \u00fear sem t\u00e6kni-s\u00e9rt\u00e6kur a\u00f0l\u00f6gunara\u00f0ili umbreytir g\u00f6gnum \u00far sni\u00f0i sem nota\u00f0 er af utan kerfi<\/strong> \u00ed sni\u00f0m\u00e1t sem okkar L\u00e9nslag<\/strong> getur skili\u00f0. \u00deetta kortlagning au\u00f0veldar \u00fe\u00fd\u00f0inguna milli innri og ytri framsetninga gagna forritsins.<\/p>\n

Til d\u00e6mis, \u00feegar HTTP-bei\u00f0ni berst \u00ed forriti\u00f0 okkar fr\u00e1 ytri vi\u00f0m\u00f3ti eins og a Hv\u00edldar-API<\/strong>, bei\u00f0nisg\u00f6gnin \u00feurfa a\u00f0 vera \u00fe\u00fddd \u00far JSON \u00ed svi\u00f0shlutur sem forriti\u00f0 getur nota\u00f0. \u00deessi \u00fe\u00fd\u00f0ing er \u00e1 \u00e1byrg\u00f0 a\u00f0laga.<\/p>\n

\u00d6fugt, \u00feegar forriti\u00f0 \u00fearf a\u00f0 senda svar, umbreytir a\u00f0l\u00f6gunareiningarnar svi\u00f0shlutunum aftur \u00ed JSON. \u00deetta gerir kjarnaforritinu kleift a\u00f0 vera \u00f3me\u00f0vita\u00f0 um sm\u00e1atri\u00f0i ytra umhverfisins, \u00e1 sama t\u00edma og tryggir a\u00f0 \u00fea\u00f0 geti r\u00e9tt t\u00falka\u00f0 inntaksg\u00f6gn og sni\u00f0i\u00f0 \u00fatg\u00f6ngug\u00f6gn. <\/p>\n

9. Kostir sexhyrnda arkitekt\u00fars<\/h2>\n

Sexhyrnd byggingarlist<\/strong> B\u00fd\u00f0ur upp \u00e1 fj\u00f6lda \u00e1bata, sem a\u00f0 mestu leyti m\u00e1 rekja til \u00feess a\u00f0 hugb\u00fana\u00f0arforrit eru losu\u00f0 fr\u00e1 ytri \u00fe\u00e1ttum s\u00ednum og sk\u00fdr skilgreining er ger\u00f0 \u00e1 m\u00f6rkum milli hinna \u00fdmsu hluta kerfisins.<\/p>\n

Ein af grundvallar\u00e1batasum er a\u00f0skilna\u00f0ur \u00e1byrg\u00f0a, sem stu\u00f0lar a\u00f0 vi\u00f0halds- og l\u00e6sileika k\u00f3\u00f0ans. Afk\u00fapling kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong> fr\u00e1 umhverfi<\/strong> leyfir breytingar \u00e1 t\u00e6kni-s\u00e9rt\u00e6kum millistykki, gagnagrunnum og notendavi\u00f0m\u00f3t<\/strong> \u00e1n \u00feess a\u00f0 breyta kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong>.<\/p>\n

Sexhyrnd byggingarlist<\/strong> Einnig skarar fram \u00far \u00e1 svi\u00f0i pr\u00f3fanleika. Einangrun utana\u00f0komandi h\u00e1\u00f0ra \u00fe\u00e1tta \u00ed arkitekt\u00farnum gerir forriturum kleift a\u00f0 keyra sj\u00e1lfvirkar afturkastspr\u00f3fanir og skrifa sj\u00e1lfvirkra pr\u00f3fraunasafna<\/strong> au\u00f0veldara. \u00deessi einangrun eykur vi\u00f0n\u00e1msgetu forritsins, \u00fear sem breytingar \u00ed einum hluta hafa ekki neikv\u00e6\u00f0 \u00e1hrif \u00e1 hina.<\/p>\n

Ennfremur sty\u00f0ur arkitekt\u00farinn marga millistykki fyrir sama tengi, sem opnar dyrnar fyrir nokkrum millistykki fyrir sama auka-tengi. \u00deessi sveigjanleiki gerir forritinu kleift a\u00f0 eiga samskipti vi\u00f0 mismunandi ger\u00f0ir gagnagrunda e\u00f0a sty\u00f0ja \u00fdmsar notendavi\u00f0m\u00f3t<\/strong> vettvangar.<\/p>\n

10. Vi\u00f0halds\u00adh\u00e6fni<\/h2>\n

\u00cd hugb\u00fana\u00f0ar\u00fer\u00f3un er vi\u00f0haldanleiki oft eftirs\u00f3ttur eiginleiki, en hef\u00f0bundnar arkitekt\u00farst\u00edlar eiga oft erfitt me\u00f0 a\u00f0 bj\u00f3\u00f0a hann. Sexhyrnd byggingarlist<\/strong> Skagar h\u00e9r fram me\u00f0 sterku \u00e1herslu \u00e1 vi\u00f0haldanleika.<\/p>\n

Me\u00f0 \u00fev\u00ed a\u00f0 einbeita s\u00e9r a\u00f0 a\u00f0skilna\u00f0i \u00e1byrg\u00f0a, Sexhyrnd byggingarlist<\/strong> Tryggir a\u00f0 breytingar sem ger\u00f0ar eru \u00ed einum hluta forritsins berist ekki til annarra hluta. \u00deessi eiginleiki hj\u00e1lpar til vi\u00f0 a\u00f0 draga \u00far \u00feeim t\u00edma og fyrirh\u00f6fn sem fer \u00ed a\u00f0 skilja og kemba k\u00f3\u00f0ann.<\/p>\n

Auk \u00feess hvetur arkitekt\u00farinn til endurn\u00fdtingar k\u00f3\u00f0a me\u00f0 \u00fev\u00ed a\u00f0 stu\u00f0la a\u00f0 h\u00f6nnun \u00fear sem kjarni vi\u00f0skiptal\u00f3g\u00edk<\/strong> er einangra\u00f0 fr\u00e1 \u00feeim s\u00e9rt\u00e6ku t\u00e6kni sem kn\u00fdr forriti\u00f0 \u00e1fram. \u00deessi a\u00f0skilna\u00f0ur gerir forriturum kleift a\u00f0 skipta \u00fat, uppf\u00e6ra e\u00f0a endurskipuleggja k\u00f3\u00f0ann. Ytri vi\u00f0m\u00f3t<\/strong> \u00e1n \u00feess a\u00f0 hafa \u00e1hrif \u00e1 kjarna r\u00f6kfr\u00e6\u00f0i, sem dregur \u00far l\u00edkum \u00e1 a\u00f0 buga komi upp.<\/p>\n

11. A\u00f0 draga \u00far t\u00e6knilegum skuldum<\/h2>\n

T\u00e6kniskuld, sem er veruleg \u00e1hyggjuefni \u00ed hugb\u00fana\u00f0ar\u00fer\u00f3un, v\u00edsar til framt\u00ed\u00f0arkostna\u00f0ar vi\u00f0 a\u00f0 endurskipuleggja k\u00f3\u00f0ann og laga skammlei\u00f0ir og br\u00f6g\u00f0. Sexhyrnd byggingarlist<\/strong> B\u00fd\u00f0ur upp \u00e1 frams\u00e6knan a\u00f0fer\u00f0afr\u00e6\u00f0i til a\u00f0 draga \u00far sl\u00edkum skuldum.<\/p>\n

Me\u00f0 \u00fev\u00ed a\u00f0 au\u00f0velda sk\u00fdra a\u00f0skilna\u00f0 milli kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong> og Ytri \u00edhlutir<\/strong>, Sexhyrnd byggingarlist<\/strong> Minnkar l\u00edkur \u00e1 fl\u00e9ttu\u00f0um k\u00f3\u00f0a sem getur valdi\u00f0 vi\u00f0haldshausverkjum og auki\u00f0 t\u00e6knilegt skuldar\u00e1lag. Innbygg\u00f0 vi\u00f0halds- og pr\u00f3fanleikni arkitekt\u00farins gegnir einnig hlutverki \u00ed a\u00f0 draga \u00far t\u00e6knilegu skuldar\u00e1lagi, \u00fear sem h\u00fan hj\u00e1lpar til vi\u00f0 a\u00f0 koma \u00ed veg fyrir villur og au\u00f0veldar endurskipulagningu k\u00f3\u00f0a.<\/p>\n

Ennfremur getu Sexhyrnd byggingarlist<\/strong> a\u00f0 sty\u00f0ja breytingar \u00e1 innvi\u00f0um \u00e1n \u00feess a\u00f0 krefjast breytinga \u00e1 vi\u00f0skiptal\u00f3g\u00edk<\/strong> veitir verndandi varnarlag gegn t\u00e6knilegum skuldum. \u00deessi eiginleiki gerir teams kleift a\u00f0 a\u00f0lagast breytingum \u00e1 kr\u00f6fum e\u00f0a t\u00e6kni \u00e1n \u00feess a\u00f0 \u00feurfa a\u00f0 endurskrifa st\u00f3rar einingar forritsins.<\/p>\n

12. Sexhyrnd byggingarlist \u00ed framkv\u00e6md<\/h2>\n

\u00cd framkv\u00e6md, Sexhyrnd byggingarlist<\/strong> b\u00fd\u00f0ur upp \u00e1 skipulag\u00f0a n\u00e1lgun vi\u00f0 hugb\u00fana\u00f0ar\u00fer\u00f3un. Hexagonala umgj\u00f6r\u00f0in utan um kjarnaforriti\u00f0 veitir sk\u00fdra skilgreiningu \u00e1 \u00fev\u00ed hvar forriti\u00f0 endar og umhverfi<\/strong> byrjar.<\/p>\n

Tengib\u00fana\u00f0urinn starfar sem hli\u00f0ver\u00f0ir, \u00fe\u00fd\u00f0ir bei\u00f0nir fr\u00e1 utana\u00f0komandi a\u00f0ilum \u00ed form sem kjarnaforriti\u00f0 getur skili\u00f0, og \u00f6fugt. Me\u00f0 \u00fev\u00ed tryggja \u00feeir a\u00f0 kjarnaforriti\u00f0 haldist \u00f3h\u00e1\u00f0 sm\u00e1atri\u00f0um ytri heimsins, hvort sem um er a\u00f0 r\u00e6\u00f0a gagnagrunn, e\u00f0a Ytri forritaskil<\/strong>, e\u00f0a a notendavi\u00f0m\u00f3t<\/strong>.<\/p>\n

13. Sv\u00e6\u00f0isst\u00fdr\u00f0 h\u00f6nnun (DDD)<\/h2>\n

Domain-Driven Design (DDD) er hugb\u00fana\u00f0ar\u00fer\u00f3unara\u00f0fer\u00f0 sem forgangsra\u00f0ar kjarna vi\u00f0skiptahugt\u00f6kunum, e\u00f0a the svi\u00f0sr\u00f6kfr\u00e6\u00f0i<\/strong>, sem helsta drifkraftur h\u00f6nnunarinnar. \u00deessi a\u00f0fer\u00f0afr\u00e6\u00f0i samr\u00e6mist \u00e1berandi vel vi\u00f0 Sexhyrnd byggingarlist<\/strong>, sem einnig undirstrikar mikilv\u00e6gi \u00feess vi\u00f0skiptal\u00f3g\u00edk<\/strong> og hinn sv\u00e6\u00f0ism\u00f3del<\/strong> \u00ed byggingarlistinni.<\/p>\n

\u00cd samhengi vi\u00f0 Sexhyrnd byggingarlist<\/strong>, DDD tryggir a\u00f0 h\u00e1stigsmod\u00fal forritsins \u2013 svi\u00f0sl\u00f6gunirnar \u2013 s\u00e9u sj\u00e1lfst\u00e6\u00f0ir fr\u00e1 ytri \u00fe\u00e1ttum eins og the notendavi\u00f0m\u00f3t<\/strong> e\u00f0a gagnagrunnsins. \u00deessi sj\u00e1lfst\u00e6\u00f0i er tryggt me\u00f0 tengjum og millistykki, sem vernda svi\u00f0alagi\u00f0 fyrir s\u00e9rst\u00f6ku utan kerfi<\/strong>, sem gerir kleift a\u00f0 svi\u00f0sr\u00f6kfr\u00e6\u00f0i<\/strong> a\u00f0 \u00fer\u00f3ast sj\u00e1lfst\u00e6tt.<\/p>\n

Ennfremur, Sexhyrnd byggingarlist<\/strong> b\u00e6tir vi\u00f0 stefnum\u00f3tandi h\u00f6nnunarreglur DDD, \u00fear \u00e1 me\u00f0al hugmyndina um afm\u00f6rku\u00f0 samhengi. Hvert afmarka\u00f0 samhengi \u00ed DDD m\u00e1 \u00edmynda s\u00e9r sem sexhyrning \u00ed Sexhyrnd byggingarlist<\/strong>, me\u00f0 svi\u00f0sger\u00f0arl\u00edkani\u00f0 \u00ed kjarna s\u00ednum og h\u00f6fn og millistykki<\/strong> sem starfa sem m\u00f6rk.<\/p>\n

14. \u00f6r\u00fej\u00f3nustur<\/h2>\n

Sm\u00e1s\u00f6fn, annar samt\u00edma arkitekt\u00farst\u00edll, geta haft mikinn \u00e1vinning af Sexhyrnd byggingarlist<\/strong>. Dreif\u00f0a e\u00f0li \u00f6r\u00fej\u00f3nusta \u2014 \u00fear sem hver \u00fej\u00f3nusta felur \u00ed s\u00e9r \u00e1kve\u00f0na vi\u00f0skiptah\u00e6fni \u2014 fellur vel a\u00f0 hylkingu vi\u00f0skiptal\u00f3g\u00edk<\/strong> innan kjarna sexhyrningsins.<\/p>\n

R\u00e9tt eins og hver \u00f6r\u00fej\u00f3nusta<\/a> \u00e6tti a\u00f0 vera lauslega tengdur \u00f6\u00f0rum, hver sexhyrningur \u00ed Sexhyrnd byggingarlist<\/strong> er einnig einangru\u00f0 fr\u00e1 \u00f6\u00f0rum, og \u00e1 samskipti eing\u00f6ngu \u00ed gegnum skilgreindar tengingar og millistykki. \u00deetta gerir hverri \u00f6r\u00fej\u00f3nustu kleift a\u00f0 hafa s\u00edna eigin sexhyrnd byggingarlist<\/strong>, sem lei\u00f0ir til safns sj\u00e1lfst\u00e6\u00f0ra, lauslega tengdra \u00fej\u00f3nusta.<\/p>\n

Einangrunin sem veitt er af Sexhyrnd byggingarlist<\/strong> getur veri\u00f0 s\u00e9rstaklega gagnlegt \u00feegar unni\u00f0 er me\u00f0 fl\u00e6kjustigi\u00f0 og dreif\u00f0a e\u00f0li \u00f6r\u00fej\u00f3nusta. Me\u00f0 \u00fev\u00ed a\u00f0 einangra kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong> fr\u00e1 ytri heiminum, Sexhyrnd byggingarlist<\/strong> tryggir a\u00f0 vi\u00f0skiptal\u00f3g\u00edk<\/strong> heldur \u00e1fram \u00f3skert, \u00f3h\u00e1\u00f0 breytingum \u00e1 \u00f6\u00f0rum \u00fej\u00f3nustum e\u00f0a utan kerfi<\/strong>.<\/p>\n

15. Samanbur\u00f0ur sexhyrnda arkitekt\u00fars vi\u00f0 a\u00f0ra arkitekt\u00fara<\/h2>\n

Hvernig hugb\u00fana\u00f0ur er hanna\u00f0ur getur haft dj\u00fapst\u00e6\u00f0 \u00e1hrif \u00e1 \u00fer\u00f3un hans me\u00f0 t\u00edmanum. A\u00f0 bera saman Sexhyrnd byggingarlist<\/strong> gefur \u00f6\u00f0rum arkitekt\u00farum okkur<\/a> d\u00fdpri skilningur \u00e1 styrkleikum \u00feess og hugsanlegum m\u00e1lami\u00f0lunum.<\/p>\n

16. Sexhyrnd byggingarlistarfr\u00e6\u00f0i \u00e1 m\u00f3ti lagskiptu byggingarlistarfr\u00e6\u00f0i<\/h2>\n

Lagskipt byggingarlist <\/strong>er hef\u00f0bundinn arkitekt\u00farmynstur<\/strong> sem skipulagar forrit \u00ed r\u00f6kr\u00e9ttar lagskiptingar \u2013 oft framsetningar-, vi\u00f0skipta- og gagnanotkunarlag. Helsti \u00f3kostur \u00feessa mynsturs er a\u00f0 \u00fea\u00f0 hvetur til sterkrar h\u00e1\u00f0unar milli laga, sem lei\u00f0ir til \u00feess a\u00f0 breytingar \u00ed einu lagi geta borist um allt forriti\u00f0.<\/p>\n

\u00devert \u00e1 m\u00f3ti, Sexhyrnd byggingarlist<\/strong> Minnkar sl\u00edkar h\u00e1\u00f0leiki. \u00cd sta\u00f0 laga hefur \u00fea\u00f0 ums\u00f3knarkjarni<\/strong> umkringdur af skiptanlegum millistykki. Breytingar \u00e1 gagnagrunns\u00fej\u00f3ni, til d\u00e6mis, myndu a\u00f0eins hafa \u00e1hrif \u00e1 vi\u00f0komandi millistykki, og skilja eftir ums\u00f3knarkjarni<\/strong> og a\u00f0rir millistykki \u00f3snertir.<\/p>\n

17. Sexhyrnd byggingarlist vs. Hreint byggingarlist<\/h2>\n

Hreint arkitekt\u00far<\/strong>, annar arkitekt\u00farmynstur<\/strong>, deilir m\u00f6rgum l\u00edkingum me\u00f0 Sexhyrnd byggingarlist<\/strong>. \u00deau leggja b\u00e6\u00f0i \u00e1herslu \u00e1 a\u00f0skilna\u00f0 \u00e1byrg\u00f0a og mi\u00f0a a\u00f0 \u00fev\u00ed a\u00f0 einangra kjarna vi\u00f0skiptareglur<\/strong> fr\u00e1 ytri sm\u00e1atri\u00f0um og halda sig vi\u00f0 Reglan um gagnst\u00e6\u00f0ri umsn\u00faningi<\/strong>.<\/p>\n

Hins vegar, Sexhyrnd byggingarlist<\/strong> Einbeitir s\u00e9r frekar a\u00f0 \u00fev\u00ed hvernig forriti\u00f0 hefur samskipti vi\u00f0 utan<\/strong> heimurinn notar hafnir og millistykki, \u00e1 me\u00f0an Hreint arkitekt\u00far<\/strong> veitir n\u00e1kv\u00e6mari uppbyggingu fyrir innri l\u00f6gin \u00ed arkitekt\u00farnum. Me\u00f0 \u00f6\u00f0rum or\u00f0um, Hreint arkitekt\u00far<\/strong> m\u00e1 sj\u00e1 sem ofuruppsett af Sexhyrnd byggingarlist<\/strong>, me\u00f0 vi\u00f0b\u00f3tarlei\u00f0beiningum um skipulag innri uppbyggingar ums\u00f3knarinnar.<\/p>\n

18. Sexhyrnda arkitekt\u00farinn vs. Laukaarkitekt\u00farinn<\/h2>\n

Laukarkenkt arkitekt\u00far<\/strong> er annar byggingarst\u00edll sem mi\u00f0ar a\u00f0 \u00fev\u00ed a\u00f0 einangra kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong> fr\u00e1 Ytri vi\u00f0m\u00f3t<\/strong> og innvi\u00f0i. \u00dea\u00f0 hefur nokkur sammi\u00f0ju\u00f0 l\u00f6g me\u00f0 svi\u00f0sger\u00f0inni \u00ed mi\u00f0junni, og hvert lag getur a\u00f0eins veri\u00f0 h\u00e1\u00f0 \u00feeim l\u00f6gum sem eru inn \u00ed \u00fev\u00ed.<\/p>\n

\u00de\u00f3 a\u00f0 \u00feau deili sameiginlegu markmi\u00f0i, Hexagonal og Laukarkenkt arkitekt\u00far <\/strong>N\u00e1 \u00fev\u00ed fram \u00e1 \u00f6rl\u00edti\u00f0 mismunandi h\u00e1tt. Laukarkenkt arkitekt\u00far<\/strong> leggur mikla \u00e1herslu \u00e1 stefnu h\u00e1\u00f0ana, og tryggir a\u00f0 allir h\u00e1\u00f0ir fari inn \u00e1 vi\u00f0. Sexhyrnd byggingarlist<\/strong>, \u00e1 sama t\u00edma og \u00fea\u00f0 sty\u00f0ur einnig inn\u00e1ttandi h\u00e1\u00f0leika, leggur meiri \u00e1herslu \u00e1 samspili\u00f0 vi\u00f0 umhverfi <\/strong>\u00ed gegnum hafnir s\u00ednar og millistykki.<\/p>\n

19. Pr\u00f3fun \u00ed sexhyrndri arkitekt\u00far<\/h2>\n

Helsta styrkleiki Sexhyrnd byggingarlist<\/strong> er \u00fea\u00f0 me\u00f0 \u00e1herslu \u00e1 pr\u00f3fanleika. Me\u00f0 \u00fev\u00ed a\u00f0 einangra kjarnaforriti\u00f0 fr\u00e1 umhverfi<\/strong> Me\u00f0 tengjum og millistykkjum gerir sexhyrnda arkitekt\u00farinn kleift a\u00f0 framkv\u00e6ma sj\u00e1lfvirk pr\u00f3f<\/strong> sem getur veitt \u00f6ryggi um st\u00f6\u00f0ugleika og r\u00e9ttm\u00e6ti hugb\u00fana\u00f0arins.<\/p>\n

\u00cd a Sexhyrnd byggingarlist<\/strong>, hinn a\u00f0alhafnir<\/strong>, sem fela \u00ed s\u00e9r kjarna vi\u00f0skiptareglur<\/strong>, m\u00e1 pr\u00f3fa \u00f3h\u00e1\u00f0 ytri heiminum. Til d\u00e6mis, \u00ed sta\u00f0 \u00feess a\u00f0 eiga samskipti vi\u00f0 raunverulega gagnagrunn me\u00f0an \u00e1 pr\u00f3fun stendur, a gagnagrunnsmi\u00f0lari<\/strong> m\u00e1 skipta \u00fat fyrir test-d\u00fakka sem hermir eftir heg\u00f0un raunverulegrar gagnagrunns. \u00deetta gerir forriturum kleift a\u00f0 einbeita s\u00e9r a\u00f0 pr\u00f3funum \u00e1 vi\u00f0skiptareglur<\/strong>frekar en gagnagrunnsvi\u00f0skiptin.<\/p>\n

Ennfremur, sj\u00e1lfvirk afturk\u00f6llunapr\u00f3f<\/strong> m\u00e1 au\u00f0veldlega byggja upp til a\u00f0 sta\u00f0festa a\u00f0 kerfi\u00f0 heg\u00f0i s\u00e9r eins og b\u00faist er vi\u00f0 \u00feegar breytingar eru ger\u00f0ar. \u00deetta stig pr\u00f3fanleika er verulegur kostur \u00feegar kemur a\u00f0 vi\u00f0haldi og uppf\u00e6rslu hugb\u00fana\u00f0ar, \u00fear sem \u00fea\u00f0 hj\u00e1lpar til vi\u00f0 a\u00f0 greina og laga vandam\u00e1l snemma \u00ed \u00fer\u00f3unarferli<\/a>.<\/p>\n

Auk \u00feess er uppbygging Sexhyrnd byggingarlist<\/strong> Stu\u00f0ningur vi\u00f0 sam\u00fe\u00e6ttingapr\u00f3fanir er einnig til sta\u00f0ar. Me\u00f0 \u00fev\u00ed a\u00f0 skipta \u00fat Ytri \u00edhlutir<\/strong> (eins og gagnagrunns\u00fej\u00f3nn e\u00f0a Ytri forritaskil<\/strong>) me\u00f0 test doubles geta forritarar pr\u00f3fa\u00f0 hvernig ums\u00f3knarkjarni<\/strong> Sam\u00fe\u00e6ttist \u00feessum \u00edhlutum \u00e1n \u00feess a\u00f0 \u00feurfa a\u00f0 nota raunveruleg ytri kerfi. \u00deetta getur verulega b\u00e6tt hra\u00f0a og \u00e1rei\u00f0anleika pr\u00f3fanna.<\/p>\n

\u00c1lyktun<\/h2>\n

Sexhyrnd byggingarlist<\/strong> R\u00eds sem a\u00f0la\u00f0andi lausn \u00ed v\u00ed\u00f0fe\u00f0mu svi\u00f0i hugb\u00fana\u00f0ar\u00fer\u00f3unarstefna. H\u00fan sker sig \u00far me\u00f0 \u00fev\u00ed a\u00f0 aftengja ums\u00f3knarkjarni<\/strong> fr\u00e1 ytri umhverfi, sem tryggir \u00feannig h\u00e1a vi\u00f0haldanleika, pr\u00f3fanleika og sveigjanleika. \u00deessi a\u00f0skilna\u00f0ur au\u00f0veldar forriturum a\u00f0 einbeita s\u00e9r a\u00f0 kjarna vi\u00f0skiptal\u00f3g\u00edk<\/strong>, \u00e1 sama t\u00edma og styrkja seiglu hugb\u00fana\u00f0arins gegn breytingum \u00ed utan kerfi<\/strong>.<\/p>\n

\u00de\u00f3 a\u00f0 fylgi nokkrir vanskiln\u00e6mir gallar hexagonlegrar arkitekt\u00fars, gera fj\u00f6lmargar kosti hennar hana a\u00f0 afar ver\u00f0m\u00e6tum hluta \u00ed verkf\u00e6rakistu hvers forritara. \u00c1 svi\u00f0i hugb\u00fana\u00f0ararkitekt\u00far<\/strong>, sexhyrnda l\u00edkani\u00f0 heldur \u00e1fram a\u00f0 sta\u00f0festa yfirr\u00e1\u00f0 s\u00edn.<\/p>\n

\u00deessi grein, str\u00e1\u00f0 me\u00f0 K\u00f3\u00f0ad\u00e6mi<\/strong>, stefnir a\u00f0 \u00fev\u00ed a\u00f0 veita \u00edtarlega skilning \u00e1 Sexhyrnd byggingarlist<\/strong> og m\u00f6gulegum \u00e1vinningi \u00feess. Mundu a\u00f0 leyndarm\u00e1li\u00f0 a\u00f0 baki \u00e1rangursr\u00edkri arkitekt\u00far felst ekki \u00ed blindri fylgni vi\u00f0 mynstur, heldur \u00ed a\u00f0 skilja undirliggjandi meginreglur og beita \u00feeim af \u00edhugun til a\u00f0 m\u00e6ta s\u00e9rt\u00e6kum kr\u00f6fum.<\/p>\n

\u00cd r\u00edki sexhyrnda arkitekt\u00fars, vi\u00f0m\u00f3ti\u00f0 sem skilgreint er milli forritalag<\/strong> og hinn gagnalag<\/strong> er af fremstu nau\u00f0syn. Hvort sem \u00fe\u00fa ert hugb\u00fana\u00f0ararkitekt<\/a> \u00cdhuga a\u00f0 taka upp \u00feessa a\u00f0fer\u00f0afr\u00e6\u00f0i, e\u00f0a a \u00fer\u00f3unara\u00f0ili<\/a> \u00cd leit a\u00f0 \u00fev\u00ed a\u00f0 skilja fl\u00e6kjustig \u00feess er lj\u00f3st a\u00f0 \u00e1hrif \u00feessarar byggingarlistar halda \u00e1fram a\u00f0 vaxa. H\u00fan s\u00fdnir \u00fdmsa vegu sem h\u00e6gt er a\u00f0 n\u00fdta hana \u00e1 \u00e1hrifar\u00edkan h\u00e1tt. Til d\u00e6mis, \u00ed a bankastarfsemi<\/a> ums\u00f3kn<\/strong>, hinn geymnisvi\u00f0m\u00f3t<\/strong> getur virka\u00f0 sem annar millistykkur, sem br\u00fdr bili\u00f0 kjarni forritsins<\/strong> me\u00f0 ytri k\u00f3\u00f0i<\/strong>. \u00deessi a\u00f0skilna\u00f0ur gerir kleift a\u00f0 skipta um \u00c1kve\u00f0in framkv\u00e6md<\/strong> af a skr\u00e1rkerfi<\/strong> e\u00f0a \u00e1kve\u00f0na t\u00e6kni, \u00e1n \u00feess a\u00f0 hafa \u00e1hrif \u00e1 forrit\u00fej\u00f3nusturnar.<\/p>\n

\u00deeir \u00fer\u00f3un li\u00f0<\/a><\/strong> get n\u00fa unni\u00f0 a\u00f0 vinstri hli\u00f0<\/strong> ums\u00f3knarinnar \u00e1n \u00feess a\u00f0 hafa \u00e1hyggjur af ytri \u00fe\u00e6ttir<\/strong>, sem tryggir hn\u00f6kralausa framvindu. Og \u00feannig lj\u00fakum vi\u00f0 k\u00f6nnun okkar \u00e1 heimi Sexhyrnd byggingarlist<\/strong>, arkitekt\u00farst\u00edll sem heldur \u00e1fram a\u00f0 auka \u00e1hrif s\u00edn um v\u00ed\u00f0fe\u00f0mt landslag hugb\u00fana\u00f0ar\u00fer\u00f3unar.
\n\"samstarfsf\u00e1ninn\"<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Kanna\u00f0u kraft sexhyrnda arkitekt\u00fars vi\u00f0 a\u00f0 b\u00e6ta vi\u00f0haldanleika, pr\u00f3fanleika og a\u00f0l\u00f6gunarh\u00e6fni hugb\u00fana\u00f0ar.<\/p>","protected":false},"author":2,"featured_media":3624,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-development"],"acf":[],"yoast_head":"\nThe Power of Hexagonal Architecture - The Codest<\/title>\n<meta name=\"description\" content=\"Explore the power of Hexagonal Architecture in software development, enhancing maintainability, testability, and flexibility. 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